*{margin:0;padding:0;}
.clearfix:after{content: ".";display: block;height: 0;clear: both;visibility: hidden;}
.clearfix{zoom:1;}
ul,li{list-style:none;}
.wrapper{width:800px;margin:0 auto;padding-bottom:50px;}
h1{height:50px;line-height:50px;font-size:22px;font-weight:normal;font-family:"Microsoft YaHei",SimHei;margin-bottom:20px;}
/* focus */
.slide{overflow:hidden;position:relative;width:350px;height:280px;float:left;}
.slide ul{height:380px;position:absolute;}
.slide ul li{float:left;width:350px;height:280px;left: 0px; top: 0px;overflow:hidden;position:relative;background:#000;}
.slide ul li img {border:0;width:350px;height: 250px;}
.slide ul li div{position:absolute;overflow:hidden;}
.slide .btnBg{position:absolute;width:800px;height:20px;left:0;bottom:0;background:#000;}
.slide .btn{position:absolute;width:780px;height:10px;padding:5px 10px;right:0;bottom:0;text-align:right;}
.slide .btn span{display:inline-block;_display:inline;_zoom:1;width:25px;height:10px;_font-size:0;margin-left:5px;cursor:pointer;background:#fff;}
.slide .btn span.on{background:#fff;}